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Calculate the number of business days between two dates?
...t businessDays = span.Days + 1;
int fullWeekCount = businessDays / 7;
// find out if there are weekends during the time exceedng the full weeks
if (businessDays > fullWeekCount*7)
{
// we are here to find out if there is a 1-day or 2-days weekend
...
How to drop columns by name in a data frame
...ubset function. For example :
R> df <- data.frame(x=1:5, y=2:6, z=3:7, u=4:8)
R> df
x y z u
1 1 2 3 4
2 2 3 4 5
3 3 4 5 6
4 4 5 6 7
5 5 6 7 8
Then you can use the which function and the - operator in column indexation :
R> df[ , -which(names(df) %in% c("z","u"))]
x y
1 1 2
2 2 3
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Why am I merging “remote-tracking branch 'origin/develop' into develop”?
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edited May 23 '17 at 12:34
Community♦
111 silver badge
answered Jun 20 '11 at 4:55
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How to convert String to long in Java?
...eLong()
Long.parseLong("0", 10) // returns 0L
Long.parseLong("473", 10) // returns 473L
Long.parseLong("-0", 10) // returns 0L
Long.parseLong("-FF", 16) // returns -255L
Long.parseLong("1100110", 2) // returns 102L
Long.parseLong("99", 8) // throws a NumberFo...
Force LF eol in git repo and working copy
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237
Without a bit of information about what files are in your repository (pure source code, images, ...
When to make a type non-movable in C++11?
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17
+1 a less exotic example of something that can't be moved because it has a special address is a node in a directed graph structure.
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Update Item to Revision vs Revert to Revision
...copy which were made after the selected revision (in your example rev. 96,97,98,99,100)
Your working copy is now in modified state.
The file content of both scenarions is same, however in first case you have an unmodified working copy and you cannot commit your changes(as your workingcopy is not p...
Add legend to ggplot2 line plot
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answered Apr 27 '12 at 10:57
csgillespiecsgillespie
52.2k1313 gold badges127127 silver badges169169 bronze badges
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How to check if a string contains an element from a list in Python
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– Lauritz V. Thaulow
May 31 '14 at 23:47
5
And if I want to know what ext is when any() returns True...
Is it safe to ignore the possibility of SHA collisions in practice?
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Arslan Ali
15.7k77 gold badges4545 silver badges6363 bronze badges
answered Oct 25 '10 at 12:14
Thomas PorninThomas...